sources expo two thousand seventeen future energy theme will promote efforts to find sustainable energy. today it isn't going to develop renewable energy sources believe the context and when you think about generating natural gas in the future. it's effective process and the more useful products will contribute to for the development of your country. the four participants discuss various and there is of the global energy market. they were all united in the certainty that it is necessary to think about the depletion of fossil energy sources. the first energy efficient housing projects has been constructed in qatar in a bowl russian heat saving technology was used in a ten storey housing construction the warm air heating system is provided in addition to traditional heating systems in the complex plot owners will be with to regulate the flow of qi independently for this purpose many thermal units are installed in each class moreover the flats have triple glazed windows filled with our god in silver dusting the kiki inside the flats the wall is seventy five centimeters thick that has heat